[linux-dvb] More V4 Video API Q's

[Marcus Metzler <mocm@mocm.de>]

>>>>> "Rob" == Rob McConnell <Rob.McConnell@Zarlink.Com> writes:

    Rob> Hi Folks,

    Rob> Been looking at the video driver a bit more and have the
    Rob> following points to make:

    Rob> 1) Most STB hardware has a video decoder and video scaler
    Rob> (either in one block or two).  Now, the current V4 API
    Rob> doesn't handle requests to size the screen to say 1/4 size,
    Rob> or 1/16 size or 2x size _and_ to position it.  I think we
    Rob> should add these to the existing video.h header file and add
    Rob> a capabilities flag to check whether the underlying hardware
    Rob> can scale and position the video.  This would be preferred
    Rob> over having a separate video scaler API and device node.

    Rob> Could we extend dvb_video_presentation_format?

That is usually handled by the v4l1/2 API.


Marcus

-- 
/--------------------------------------------------------------------\
| Dr. Marcus O.C. Metzler        |                                   |
| mocm@metzlerbros.de            | http://www.metzlerbros.de/        |
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 |>>>             Quis custodiet ipsos custodies                 <<<|